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L2 Band 1.227GHz GPS Internal Chip Antenna P/N 1227AT45A0042 Detail Specification: Page 1 of 4 Mechanical Dimensions In mm No. L ±± 1 W ±± 2 T a ±± Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2014 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" 2.00 0.374 0.079 9.50 1227AT45A0042 0.008 0.20 General Specifications
18 Months
50 Ω 9.5 dB min. Part Number Frequency Range (MHz) Peak Gain Average Gain Power Capacity 3W max. (CW) Reel Quanity 1,000 -2.0 dBi typ. (XZ-V) Return Loss Impedance Shelf Life Operating Temperature -40 to +85°C 2/5/2014 1206 - 1249 (+10MHz guard band)Operating Frequency (MHz) 1.0 dBi typ. (XZ-V) 1227.6 ± 21MHz Terminal Configuration The length of this PCB trace element must be followed, however the shape may be modified to conform to the designer’s particular layout We offer 2 free layout reviews as well as antenna tuning and characterization services (lab fee may apply). Go to page 2 for details. Recommended Storage Conditions +5 ~ +35 °C,Humidity 45~75%RH 0.020 0.012 0.50 0.30 0.008 0.20 Mounting Considerations (all units in mm) Ver 2.1 NC (to trace) Feeding Point Function L W a T 21 1.8 7.5 10.51.0 1.0 nH 1.0 pF 5.5 7.5 0.5 GND GND *Line width should be designed to match 50Ωcharacteristic impedance (co-planar waveguide), depending on PCB material and thickness. The matching values above only apply to Johanson's evaluation board, see page two for more details or go to: www.johansontechnology.com/tuning
L2 Band 1.227GHz GPS Internal Chip Antenna P/N 1227AT45A0042 Detail Specification: Page 2 of 4 Shelf Life Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2014 Johanson Technology, Inc. All Rights Reserved Mounting Considerations "High Frequency Ceramic Solutions" Typical Electrical Characteristics (T=25oC) 2/5/2014 Ver 2.1 We offer antenna layout/gerber reviews, PCB tuning, optimization, and characterization services, go to: www.johansontechnology.com/ipcantennaservices for details and instructions Note: It is recommended that the designer leave available slot s for a "pi" (or shunt-series-shunt) network. The antenna matching network values here are used w hen antenna is mounted on Johanson's evaluation board. The matching values on client’s PCB will be different, go to: johansontechnology.com/tuning and see how to obtain the new values. Contact our RF Applications Eng Team at: http://www.johansontechnology.com/component/techquestion This 50ΩFeedline can be as short as needed, this length is just for reference Test Board: P/N: 1227AT45A0042-EB1SMA (orderable item) To order, go to: www.johansontechnology.com/samplerequest Return Loss / With Matching Circuits -30 -20 -10 -40 freq, GHz dB(S(1,1)) freq= dB(S(1,1))=-31.654 1.227GHz Antenna No Ground GND Plane 20mm 19mm 40mm 12mm Matching circuits
L2 Band 1.227GHz GPS Internal Chip Antenna P/N 1227AT45A0042 Detail Specification: Page 3 of 4 Shelf Life Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2014 Johanson Technology, Inc. All Rights ReservedVer 2.1 "High Frequency Ceramic Solutions" Typical Electrical Characteristics (T=25oC) Radiation Patterns 2/5/2014 o 90o 180o 270o X Z Y XY-cut scanning direction XY cut @1.227GHz o 90o 180o 270o X Z Y XZ-cut scanning direction o 90o 180o 270o X Z Y YZ-cut scanning direction XZ cut @1.227GHz YZ cut @1.227GHz Total Total Total
L2 Band 1.227GHz GPS Internal Chip Antenna P/N 1227AT45A0042 Detail Specification: Page 4 of 4 Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2014 Johanson Technology, Inc. All Rights Reserved Antenna layout review, tuning, and characterization services www.johansontechnology.com/tuning Relative Humidity: 45 to 75% Packaging information Soldering Information Antenna layout and tuning techniques (How to obtain the new antenna matching values) www.johansontechnology.com/ipcsoldering-profile www.johansontechnology.com/ipcpackaging.html Eval Board (1-port SMA antenna test boards) 1227AT45A0042-EB1SMA (Page 2) More Details www.johansontechnology.com/ipc-pn-explained Storage Conditions and Shelf Life (On T&R or Bulk) T & R (Reverse) Suffix = R eg. 1227AT45A0042R (MOQ Applies) 100% Tin Suffix = None eg. 1227AT45A0042(S, E, R) www.johansontechnology.com/ipcantennaservices "High Frequency Ceramic Solutions" Part Number Explanation P/N Suffix Packing Style Bulk (loose pieces) Suffix = S eg. 1227AT45A0042 T & R Suffix = E eg. 1227AT45A0042 2/5/2014 Temperature: +5C to +35°C Shelf Life: 18 months max. Ver 2.1 www.johansontechnology.com/technical- notes/rohs-compliance.html RoHS Compliance MSL Info www.johansontechnology.com/technical- notes/msl-rating.html